Ensure that attributes are spelled properly.

src/doc/book/variable-bindings.md

@@ -125,7 +125,7 @@ warning, but it will still print "Hello, world!":
 
 ```text
    Compiling hello_world v0.0.1 (file:///home/you/projects/hello_world)
-src/main.rs:2:9: 2:10 warning: unused variable: `x`, #[warn(unused_variable)]
+src/main.rs:2:9: 2:10 warning: unused variable: `x`, #[warn(unused_variables)]
    on by default
 src/main.rs:2     let x: i32;
                       ^

src/test/run-pass-fulldeps/quote-unused-sp-no-warning.rs

@@ -12,7 +12,7 @@
 // ignore-pretty: does not work well with `--test`
 
 #![feature(quote, rustc_private)]
-#![deny(unused_variable)]
+#![deny(unused_variables)]
 
 extern crate syntax;
 

src/test/run-pass/enum-variants.rs

@@ -11,7 +11,7 @@
 // pretty-expanded FIXME #23616
 
 #![allow(dead_assignment)]
-#![allow(unused_variable)]
+#![allow(unused_variables)]
 
 enum Animal {
     Dog (String, f64),

src/test/run-pass/fn-type-infer.rs

@@ -10,7 +10,7 @@
 
 // pretty-expanded FIXME #23616
 
-#![allow(unused_variable)]
+#![allow(unused_variables)]
 
 pub fn main() {
     // We should be able to type infer inside of ||s.

src/test/run-pass/generic-tag.rs

@@ -11,7 +11,7 @@
 // pretty-expanded FIXME #23616
 
 #![allow(dead_assignment)]
-#![allow(unused_variable)]
+#![allow(unused_variables)]
 #![allow(unknown_features)]
 #![feature(box_syntax)]
 

src/test/run-pass/issue-12660.rs

@@ -16,7 +16,7 @@ extern crate issue12660aux;
 
 use issue12660aux::{my_fn, MyStruct};
 
-#[allow(path_statement)]
+#[allow(path_statements)]
 fn main() {
     my_fn(MyStruct);
     MyStruct;

src/test/run-pass/issue-1451.rs

@@ -10,7 +10,7 @@
 
 // pretty-expanded FIXME #23616
 
-#![allow(unused_variable)]
+#![allow(unused_variables)]
 
 struct T { f: extern "Rust" fn() }
 struct S { f: extern "Rust" fn() }

src/test/run-pass/issue-3878.rs

@@ -10,7 +10,7 @@
 
 // pretty-expanded FIXME #23616
 
-#![allow(path_statement)]
+#![allow(path_statements)]
 #![allow(unknown_features)]
 #![feature(box_syntax)]
 

src/test/run-pass/issue-4734.rs

@@ -12,7 +12,7 @@
 // `e` is a type which requires a destructor.
 
 
-#![allow(path_statement)]
+#![allow(path_statements)]
 
 struct A { n: isize }
 struct B;

src/test/run-pass/issue-7911.rs

@@ -13,7 +13,7 @@
 // (Closes #7911) Test that we can use the same self expression
 // with different mutability in macro in two methods
 
-#![allow(unused_variable)] // unused foobar_immut + foobar_mut
+#![allow(unused_variables)] // unused foobar_immut + foobar_mut
 trait FooBar {
     fn dummy(&self) { }
 }

src/test/run-pass/liveness-assign-imm-local-after-loop.rs

@@ -12,7 +12,7 @@
 
 #![allow(dead_assignment)]
 #![allow(unreachable_code)]
-#![allow(unused_variable)]
+#![allow(unused_variables)]
 
 fn test(_cond: bool) {
     let v: isize;

src/test/run-pass/long-while.rs

@@ -10,7 +10,7 @@
 
 // pretty-expanded FIXME #23616
 
-#![allow(unused_variable)]
+#![allow(unused_variables)]
 
 pub fn main() {
     let mut i: isize = 0;

src/test/run-pass/match-phi.rs

@@ -11,7 +11,7 @@
 // pretty-expanded FIXME #23616
 
 #![allow(dead_assignment)]
-#![allow(unused_variable)]
+#![allow(unused_variables)]
 
 enum thing { a, b, c, }
 

src/test/run-pass/output-slot-variants.rs

@@ -11,7 +11,7 @@
 // pretty-expanded FIXME #23616
 
 #![allow(dead_assignment)]
-#![allow(unused_variable)]
+#![allow(unused_variables)]
 #![allow(unknown_features)]
 #![feature(box_syntax)]
 

src/test/run-pass/regions-fn-subtyping.rs

@@ -13,7 +13,7 @@
 // pretty-expanded FIXME #23616
 
 #![allow(dead_assignment)]
-#![allow(unused_variable)]
+#![allow(unused_variables)]
 #![allow(unknown_features)]
 
 // FIXME (#22405): Replace `Box::new` with `box` here when/if possible.

src/test/run-pass/traits-default-method-mut.rs

@@ -11,7 +11,7 @@
 // pretty-expanded FIXME #23616
 
 #![allow(dead_assignment)]
-#![allow(unused_variable)]
+#![allow(unused_variables)]
 
 trait Foo {
     fn foo(&self, mut v: isize) { v = 1; }

src/test/run-pass/typestate-cfg-nesting.rs

@@ -11,7 +11,7 @@
 // pretty-expanded FIXME #23616
 
 #![allow(dead_assignment)]
-#![allow(unused_variable)]
+#![allow(unused_variables)]
 
 fn f() {
     let x = 10; let mut y = 11;

src/test/run-pass/unique-move-drop.rs

@@ -9,7 +9,7 @@
 // except according to those terms.
 
 
-#![allow(unused_variable)]
+#![allow(unused_variables)]
 #![allow(unknown_features)]
 #![feature(box_syntax)]
 

src/test/run-pass/unit.rs

@@ -10,7 +10,7 @@
 
 // pretty-expanded FIXME #23616
 
-#![allow(unused_variable)]
+#![allow(unused_variables)]
 #![allow(dead_assignment)]
 
 fn f(u: ()) { return u; }

src/test/run-pass/unreachable-code-1.rs

@@ -10,7 +10,7 @@
 
 
 #![allow(unreachable_code)]
-#![allow(unused_variable)]
+#![allow(unused_variables)]
 
 fn id(x: bool) -> bool { x }
 

src/test/run-pass/unreachable-code.rs

@@ -9,9 +9,9 @@
 // except according to those terms.
 
 
-#![allow(path_statement)]
+#![allow(path_statements)]
 #![allow(unreachable_code)]
-#![allow(unused_variable)]
+#![allow(unused_variables)]
 
 fn id(x: bool) -> bool { x }
 

src/test/run-pass/unused-move.rs

@@ -14,7 +14,7 @@
 
 // pretty-expanded FIXME #23616
 
-#![allow(path_statement)]
+#![allow(path_statements)]
 #![allow(unknown_features)]
 #![feature(box_syntax)]
 

src/test/run-pass/while-loop-constraints-2.rs

@@ -9,7 +9,7 @@
 // except according to those terms.
 
 #![allow(dead_assignment)]
-#![allow(unused_variable)]
+#![allow(unused_variables)]
 
 pub fn main() {
     let mut y: isize = 42;